99787936 has 24 divisors (see below), whose sum is σ = 196699104. Its totient is φ = 49832640.

The previous prime is 99787931. The next prime is 99787937. The reversal of 99787936 is 63978799.

It is a super-2 number, since 2×99787936² = 19915264342280192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99787931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36141 + ... + 38803.

It is an arithmetic number, because the mean of its divisors is an integer number (8195796).

Almost surely, 2^99787936 is an apocalyptic number.

It is an amenable number.

99787936 is a deficient number, since it is larger than the sum of its proper divisors (96911168).

99787936 is a wasteful number, since it uses less digits than its factorization.

99787936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 3836 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 58.

The square root of 99787936 is about 9989.3911726391. The cubic root of 99787936 is about 463.8305465256.

It can be divided in two parts, 9978793 and 6, that added together give a palindrome (9978799).

The spelling of 99787936 in words is "ninety-nine million, seven hundred eighty-seven thousand, nine hundred thirty-six".